EP3539142A1 - Leistungsschütz und verfahren zur herstellung eines gehäusekörpers für das leistungsschütz - Google Patents
Leistungsschütz und verfahren zur herstellung eines gehäusekörpers für das leistungsschützInfo
- Publication number
- EP3539142A1 EP3539142A1 EP17797308.8A EP17797308A EP3539142A1 EP 3539142 A1 EP3539142 A1 EP 3539142A1 EP 17797308 A EP17797308 A EP 17797308A EP 3539142 A1 EP3539142 A1 EP 3539142A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing body
- electrical contact
- contactor
- power contactor
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000000919 ceramic Substances 0.000 claims description 7
- 229910010293 ceramic material Inorganic materials 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 6
- 238000010292 electrical insulation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/023—Details concerning sealing, e.g. sealing casing with resin
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0062—Testing or measuring non-electrical properties of switches, e.g. contact velocity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/546—Contact arrangements for contactors having bridging contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/29—Relays having armature, contacts, and operating coil within a sealed casing
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0062—Testing or measuring non-electrical properties of switches, e.g. contact velocity
- H01H2011/0068—Testing or measuring non-electrical properties of switches, e.g. contact velocity measuring the temperature of the switch or parts thereof
Definitions
- the present invention relates to a power contactor and a method for producing a housing body for the power contactor.
- Power contactors are electrically operated, remotely operated switches. They have a control circuit that can turn a load circuit on and off.
- Transient resistance within the contactor heats the contactor. Overheating can lead to damage and ultimately failure of the contactor.
- the object underlying the invention is to provide a power contactor which makes a contribution to increasing the reliability of the power contactor, in particular ⁇ makes a special contribution to reliably avoid functional failures of the power contactor due to overheating. Another object is to provide a method for producing a housing body for the power contactor, which allows a cost-effective production of the power ⁇ contactor.
- the first object is achieved by the features of the first independent claim.
- the second object is achieved by a method according to the second independent claim.
- Advantageous developments of the invention are characterized in the subclaims.
- the invention is characterized according to a first aspect by a power contactor having a first electrical contact and a second electrical contact.
- the power contactor comprises a switching element that can assume an open position and a closed position, wherein the switching element in the closed position, the first electrical contact and the second electrical contact contacted with each other and wherein the first electrical contact and the second electrical contact from each other are when the switching element is in the open position.
- the contactor comprises at least one temperature sensor integrated in the contactor, which is configured to detect a temperature of the power contactor at a predetermined distance from the first electrical contact and / or the second electrical contact.
- the integration of the temperature sensor in the contactor has the advantage that an absolute temperature of the Leis ⁇ tung contactor can be detected or calculated, since a Ge ⁇ ometrie and an inner structure of the power contactor are unverän ⁇ changed and by means of a calibration of a PUTOUT Temperature of the temperature sensor can close to an actual contact temperature.
- the temperature sensor in the power protective ⁇ form temperature sensor, and a contactor switch Zige functional unit. They can be manufactured together ⁇ who and the coordinated.
- the temperature sensor can be calibrated in such a way that the specific temperature behavior of the power contactor can be taken into account.
- the assembly of the power contactor and the temperature sensor, for example in a Battery Disconnect Unit considerably simplified, since these components can now be mounted together as a unit.
- the temperature sensor can be described as integrated in the power contactor if the contactor and the
- Temperature sensor are arranged in close proximity to each other.
- the power contactor and the temperature sensor can be enclosed by a common housing and / or arranged in a common housing. It is thus not necessary for the temperature sensor to be arranged or fastened on the outside of the housing and / or on one or more external contacts of the power contactor.
- the contactor and the temperature sensor can be manufactured together.
- the contactor and the temperature sensor can be supplied as a common unit to a user. Due to the high degree of integration, hardly any additional installation space is required for the temperature sensor.
- the power contactor with the integrated temperature sensor can be advantageous, in particular in applications in which only a very limited space is available.
- the predetermined distance is selected so that ei ⁇ ne time for heat propagation of the one or more electrical contacts does not exceed a predetermined duration and / or heat dissipation, for example, to the environment, is low, that does not exceed a predetermined threshold, and / or the heat dissipation can be determined with a predetermined accuracy and can be taken into account by calibration.
- the power contactor comprises a contact chamber device with a housing body and a contact chamber.
- the switching element is at least partially arranged.
- the housing body encloses the contact chamber at least partially and in the housing body, the temperature sensor is arranged.
- the housing body comprises a ceramic material or consists of a ceramic material.
- the housing body turfesttechnik and very good electrical insulation own sheep ⁇ th to a high temperature. Characterized in that the temperature sensor is introduced into the ceramic housing body, the temperature sensor of a potential which is applied to the contacts of the nurseschüt ⁇ zes, separated.
- the housing body has a recess and the temperature sensor is arranged in the recess.
- the housing body of the contact chamber device on a bottom wall and the recess is disposed in the bottom wall ⁇ .
- the bottom wall here comprises a first opening through which the first electrical contact is passed, and a second opening through which the second electrical ⁇ cal contact is made.
- the housing body of the contact chamber device has a side wall and the recess is arranged in the side wall of the housing body.
- the arrangement of the ⁇ savings in the side wall advantageously allows to arrange the temperature sensor in the immediate vicinity, in particular in the vicinity of the electrical contacts, the heat source and still ensure a good electrical insulation of the temperature sensor of the electrical contacts of the contactor.
- the housing body of the contact chamber device comprises a side wall and a bottom wall. The recess is arranged in an edge region in which the bottom wall and the side wall meet.
- the bottom wall includes a first opening through which the first electrical contact is passed and a second opening through which the second electrical contact is passed.
- the arrangement of the Ausspa ⁇ tion in the edge region advantageously allows on the one hand to arrange the temperature sensor in the immediate vicinity of the heat source and still ensure a good electrical Isolati ⁇ on the temperature sensor of the electrical contacts of the power contactor. Furthermore, the arrangement of the recess in the edge region allows a cost-effective production of the housing body and a simple attachment of the temperature sensor. In particular, such an arrangement allows a simplified and reliable Her ⁇ position of a ceramic green sheet for the housing body, especially when using aluteverpressung to produce the ceramic green sheet.
- the recess is formed as a prism-shaped Vertie ⁇ tion with triangular base. This made light ⁇ cost production of the housing body and a simple attachment of the temperature sensor. In particular, such an arrangement allows a simplified and reli ⁇ permeable producing a ceramic green sheet for the housing ⁇ body, particularly when using aureverpressung to Production of the ceramic greenware.
- the recess can be formed very easily and precisely.
- thermo-is ratursensor means of an adhesive, which has an identical or similar thermal expansion coefficient as the material of the housing body and is thus adapted to a thermal expansionary ⁇ on the housing body, be ⁇ solidifies on the housing body.
- the invention is characterized according to a second aspect by a method for producing a housing body for a contact chamber device of a power contactor according to the first aspect.
- a housing body green compact for the contact chamber device is produced by dry compression of a ceramic powder and the housing body green body has the recess for receiving the temperature sensor be ⁇ already on.
- the housing body-green body is then sintered ge ⁇ .
- a negative mold for the housing body is designed in such a way, in particular a Hehe ⁇ exercise that the recess during the manufacturing step of the dry pressing in the Gekoruse stresses- green compact arises and not in a further manufacturing ⁇ step must be formed.
- this makes it possible to inexpensively produce the power contactor with the temperature sensor, in particular the housing body for the power contactor.
- Figure 1 shows an embodiment of a power contactor
- Figure 2 is a cross-sectional view of a contact chamber device of the power contactor
- 3a to 3c each show a perspective view of an embodiment of the housing body of the contact chamber device.
- Figure 1 shows an embodiment of a roaster ⁇ zes.
- the contactor 1 comprises a switching element 5 and a contact chamber device 9.
- the switching element 5 game includes examples a magnetic drive with at least one coil 6 and a follower 7, which in the at least one coil 6 is ⁇ assigns, as well as and a movable contact bridge. 8
- the coil 6 can be acted upon from the outside with a voltage to generate a magnetic field in the plunger 7, whereby the plunger 7 is axially movable along its longitudinal axis in the direction of the contact chamber device 9.
- the coil 6 and the plunger 7 are preferably arranged within a magnetizable yoke.
- the contact chamber device 9 comprises a first electrical contact 3, a second electrical contact 4, a housing body 14 and a contact chamber 15.
- the switching element 5, in particular the plunger 7, is angeord ⁇ net and formed, depending on an energization of the coil 6, the contact bridge 8 of the contact chamber device 9 between a first position in which the contact bridge 8, the first electrical contact 3 and the second electrical contact 4 conductively connects, and a second position in which the first electrical contact 3 and the second electrical ⁇ cal contact 4 are isolated to switch.
- the first and second electrical contacts 3, 4 each have an inner contact 16, 17 and an outer contact 18, 19.
- the contactor 1 has several contact resistances, for example:
- the transition resistors heats up the power ⁇ protected 1 at flow during operation. Excessive heating can lead to damage and ultimately failure of the contactor 1.
- the amount of heating is usually taken into account by suitable design of the contactor 1 and its supply lines and the fastening techniques. However, outside influences can occur. For example, it can be caused by vibrations reduce a contact force of a supply line to one of the outer contacts 18, 19, whereby a higher contact resistance may arise, which may result in high heating even at low currents.
- the internal contact resistance can be increased by repeated switching off under load and a concomitant burnup of the inner contact surfaces 10. This effect is not visible from the outside.
- additional heating may be caused by improper attachment, for example, due to external improper attachment of a power cable to one of the outer contacts 18, 19 of the contactor 1.
- the improper attachment may for example be Doomed ⁇ gently by too small lug, the use of washers and / or too small a conductor cross-section. Since contactors 1 meet in the majority of cases a Siche ⁇ reasoning task, a reliable monitoring of the temperature of the contactor 1 is at least desired.
- the contactor 1 For detecting a temperature of the power contactor 1, the contactor 1 has at least one integrated temperature sensor 12.
- FIG. 2 shows a cross-sectional view of the contact chamber device 9.
- the contact chamber 15 of the contact chamber device 9 is preferably a gas.
- the contact chamber device 9 comprises a housing body 14, which forms the contact chamber 15, for example, together with a lid.
- the housing body 14 has approximately the shape of a hollowed-out cuboid or "trough", for example, and is open on one side .
- the housing body 14 has, for example, a bottom wall 21 and a circumferential side wall 27.
- the housing body 14 comprises or consists of one ceramic material, for example a material based on titanium oxide or aluminum oxide.
- the housing body 14 is preferably provided ⁇ by a dry press method ago. the ceramic material has the advantage that compared with high temperatures and an electric arc it is genbeflammung un ⁇ sensitive, not oxidized and good has electrical insulation properties.
- the housing body 14 has a circumferential sheet along the opening beispielswei ⁇ se.
- the opening of the housing body 14 of the contact chamber device 9 opposite bottom wall 21 has a first opening 23 and a second ⁇ ff ⁇ tion 25, through which the first electrical contact 3 and the second electrical contact 4 are guided.
- a temperature sensor 12 is integrated.
- the housing body 14 preferably has a recess 29 for receiving the temperature sensor 12.
- FIGS. 3 a to 3 c each show a perspective view of an exemplary embodiment of the housing body 14 of the contact-chamber device 9.
- the recess 29 is arranged, for example, in the bottom wall 21 or in the side wall 27.
- the recess 29 comprises, for example, a prism-shaped recess with a triangular base.
- the temperature sensor 12 is preferably fixed by gluing in the recess 29 of the Genzousegropers.
- the temperature sensor 12 by means of an adhesive, which has an identical or similar thermal expansion coefficient as the material of the housing body and is thus adapted to a ther ⁇ mix expansion of the case body is attached to the Ge ⁇ reheatianus.
- the housing body may comprise for example a thermal expansion coefficient which is ⁇ range of 5 ⁇ 10 -6 1 / K to 9 * 10 -6 1 / K in the loading and the adhesive may for example have a thermal expansion coefficient in the range of 2-10 ⁇ 6 1 / K to 20 ⁇ 10 ⁇ 6 1 / K.
- the temperature sensor 12 has a resistance in a positive temperature coefficient.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016121345.4A DE102016121345B4 (de) | 2016-11-08 | 2016-11-08 | Leistungsschütz und Verfahren zur Herstellung eines Gehäusekörpers für das Leistungsschütz |
PCT/EP2017/078441 WO2018087075A1 (de) | 2016-11-08 | 2017-11-07 | Leistungsschütz und verfahren zur herstellung eines gehäusekörpers für das leistungsschütz |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3539142A1 true EP3539142A1 (de) | 2019-09-18 |
EP3539142B1 EP3539142B1 (de) | 2024-01-24 |
Family
ID=60302103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17797308.8A Active EP3539142B1 (de) | 2016-11-08 | 2017-11-07 | Leistungsschütz und verfahren zur herstellung eines gehäusekörpers für das leistungsschütz |
Country Status (6)
Country | Link |
---|---|
US (1) | US11417483B2 (de) |
EP (1) | EP3539142B1 (de) |
JP (1) | JP6751206B2 (de) |
CN (1) | CN110088869B (de) |
DE (1) | DE102016121345B4 (de) |
WO (1) | WO2018087075A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111584259B (zh) * | 2020-03-23 | 2022-06-24 | 中国航天时代电子有限公司 | 一种高可靠限位装置 |
DE102021107381A1 (de) | 2021-03-24 | 2022-09-29 | Tdk Electronics Ag | Schaltvorrichtung |
KR102620303B1 (ko) * | 2021-12-28 | 2023-12-29 | 주식회사 유라코퍼레이션 | 차량용 고전압 릴레이의 융착 검출 시스템 및 방법 |
CN114724892B (zh) * | 2022-04-13 | 2023-09-19 | 中国航天时代电子有限公司 | 一种具有减振绝缘装置的接触器 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6032526Y2 (ja) | 1979-07-04 | 1985-09-28 | 株式会社陽栄製作所 | 給湯器 |
JPS57123968U (de) | 1981-01-29 | 1982-08-02 | ||
US5519370A (en) * | 1991-03-28 | 1996-05-21 | Kilovac Corporation | Sealed relay device |
JPH10134691A (ja) | 1996-10-30 | 1998-05-22 | Niles Parts Co Ltd | 電磁継電器 |
US5912604A (en) * | 1997-02-04 | 1999-06-15 | Abb Power T&D Company, Inc. | Molded pole automatic circuit recloser with bistable electromagnetic actuator |
US7321281B2 (en) * | 2005-05-17 | 2008-01-22 | Gigavac Llc | Hermetically sealed relay having low permeability plastic housing |
US7403088B2 (en) * | 2005-06-29 | 2008-07-22 | Eaton Corporation | Handle apparatus and electrical switching apparartus employing the same |
US20070039935A1 (en) | 2005-08-17 | 2007-02-22 | Lincoln Global, Inc. | Contactor for welding wire feeder |
CN201608120U (zh) | 2009-05-26 | 2010-10-13 | 新乡市光明电器有限公司 | 节能型大电流电磁式继电器 |
CN101593638B (zh) * | 2009-05-26 | 2011-02-02 | 新乡市光明电器有限公司 | 节能型大电流电磁式继电器 |
JP5573250B2 (ja) | 2010-03-09 | 2014-08-20 | オムロン株式会社 | 封止接点装置 |
US9304028B2 (en) * | 2012-09-20 | 2016-04-05 | Nordson Corporation | Adhesive dispensing device having optimized reservoir and capacitive level sensor |
US20150187518A1 (en) * | 2013-12-27 | 2015-07-02 | Gigavac, Llc | Sectionalized contact contactor |
DE112015002850T5 (de) * | 2014-06-19 | 2017-03-09 | Panasonic Intellectual Property Management Co., Ltd. | Kontaktvorrichtung, elektromagnetisches Relais, das sie verwendet, und Verfahren zum Herstellen der Kontaktvorrichtung |
KR101846224B1 (ko) | 2014-07-11 | 2018-04-06 | 엘에스산전 주식회사 | 전자 개폐기 |
JP2016046007A (ja) | 2014-08-20 | 2016-04-04 | 富士電機機器制御株式会社 | 電磁接触器および電磁接触器の製造方法 |
CN204067227U (zh) | 2014-08-29 | 2014-12-31 | 安徽日正汽车部件有限公司 | 带多功能保护的电源总开关 |
US10361051B2 (en) * | 2014-11-06 | 2019-07-23 | Rockwell Automation Technologies, Inc. | Single pole, single current path switching system and method |
US10074497B2 (en) * | 2014-11-06 | 2018-09-11 | Rockwell Automation Technologies, Inc. | Operator coil parameter based electromagnetic switching |
CN204286617U (zh) | 2014-12-30 | 2015-04-22 | 施耐德电气(中国)有限公司 | 用于断路器或接触器的触臂 |
JP6425638B2 (ja) * | 2015-10-02 | 2018-11-21 | ショット日本株式会社 | 高容量リレー用パイプリード付き気密端子およびその気密端子を用いたリレー用接点装置 |
KR102039323B1 (ko) * | 2019-05-16 | 2019-11-26 | 주식회사 와이엠텍 | 마이크로스위치를 이용한 보조 접점 장치를 갖는 직류 스위치 장치 |
EP3742460A1 (de) * | 2019-05-21 | 2020-11-25 | Xiamen Hongfa Electric Power Controls Co., Ltd. | Hochspannungsgleichstromrelais |
-
2016
- 2016-11-08 DE DE102016121345.4A patent/DE102016121345B4/de active Active
-
2017
- 2017-11-07 EP EP17797308.8A patent/EP3539142B1/de active Active
- 2017-11-07 CN CN201780069146.3A patent/CN110088869B/zh active Active
- 2017-11-07 US US16/347,162 patent/US11417483B2/en active Active
- 2017-11-07 JP JP2019522719A patent/JP6751206B2/ja active Active
- 2017-11-07 WO PCT/EP2017/078441 patent/WO2018087075A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
WO2018087075A1 (de) | 2018-05-17 |
DE102016121345B4 (de) | 2018-08-02 |
EP3539142B1 (de) | 2024-01-24 |
CN110088869B (zh) | 2021-02-12 |
US20200058458A1 (en) | 2020-02-20 |
JP6751206B2 (ja) | 2020-09-02 |
US11417483B2 (en) | 2022-08-16 |
DE102016121345A1 (de) | 2018-05-09 |
CN110088869A (zh) | 2019-08-02 |
JP2019533885A (ja) | 2019-11-21 |
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